Question

a scientist collected 73 water samples from local streams. each sample was the same size, and she collected 1.9 liters of water in all. to the nearest hundredth of a liter, what was the volume of each water sample? liters

Explanation:

Step1: Identify the formula

To find the volume of each sample, we divide the total volume by the number of samples. The formula is $\text{Volume per sample} = \frac{\text{Total volume}}{\text{Number of samples}}$.

Step2: Substitute the values

We know the total volume is $1.9$ liters and the number of samples is $73$. So we calculate $\frac{1.9}{73}$.

Step3: Perform the division

Using a calculator, $1.9\div73 \approx 0.026027$.

Step4: Round to the nearest hundredth

The hundredth place is the second decimal place. Looking at the third decimal place (6), which is greater than or equal to 5, we round up the second decimal place. So $0.026027$ rounded to the nearest hundredth is $0.03$.

Answer:

$0.03$